Returns Accepted: ReturnsNotAccepted Brand: DR PERFORMANCE Manufacturer Part Number: 1002 Warranty: No Country of Manufacture: United States I BOUGHT THIS AWESOME PROGRAMMER/CHIP FOR MY 2003 GMC 2500 4X4 PICKUP. IT WILL WORK ON YOUR 2001-2005 GMC/CHEVROLET PICKUP TRUCK WITH THE AWESOME DURAMAX DIESEL MOTORS. THIS PROGRAMMER/CHIP (HAS BEEN RETURNED BACK TO THE FACTORY DEFAULT) IT IS READY TO BE ...